Question

prove that 2√3-4 is an irrational
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Answer 1

Step-by-step explanation:

let a be a rational number

2√3-4 = a

2√3=a+4

√3=a+4/2

a+4/2 is a rational number but √3 is an irrational number

hence this is contradiction to our assumption

so 2√3-4 is an irrational number

hope it helps you

Answer 2

Answer:

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Step-by-step explanation:

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